diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/combine-abs.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/combine-abs.ll | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/llvm/test/CodeGen/X86/combine-abs.ll b/llvm/test/CodeGen/X86/combine-abs.ll index 109738dcd9b..2d71e4f2f27 100644 --- a/llvm/test/CodeGen/X86/combine-abs.ll +++ b/llvm/test/CodeGen/X86/combine-abs.ll @@ -1,13 +1,11 @@ ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2 | FileCheck %s -; FIXME: Various missed opportunities to simplify integer absolute instructions. - ; fold (abs c1) -> c2 define <4 x i32> @combine_v4i32_abs_constant() { ; CHECK-LABEL: combine_v4i32_abs_constant: ; CHECK: # BB#0: -; CHECK-NEXT: vpabsd {{.*}}(%rip), %xmm0 +; CHECK-NEXT: vmovaps {{.*#+}} xmm0 = [0,1,3,2147483648] ; CHECK-NEXT: retq %1 = call <4 x i32> @llvm.x86.ssse3.pabs.d.128(<4 x i32> <i32 0, i32 -1, i32 3, i32 -2147483648>) ret <4 x i32> %1 @@ -16,7 +14,7 @@ define <4 x i32> @combine_v4i32_abs_constant() { define <16 x i16> @combine_v16i16_abs_constant() { ; CHECK-LABEL: combine_v16i16_abs_constant: ; CHECK: # BB#0: -; CHECK-NEXT: vpabsw {{.*}}(%rip), %ymm0 +; CHECK-NEXT: vmovaps {{.*#+}} ymm0 = [0,1,1,3,3,7,7,255,255,4096,4096,32767,32767,32768,32768,0] ; CHECK-NEXT: retq %1 = call <16 x i16> @llvm.x86.avx2.pabs.w(<16 x i16> <i16 0, i16 1, i16 -1, i16 3, i16 -3, i16 7, i16 -7, i16 255, i16 -255, i16 4096, i16 -4096, i16 32767, i16 -32767, i16 -32768, i16 32768, i16 65536>) ret <16 x i16> %1 @@ -27,7 +25,6 @@ define <8 x i16> @combine_v8i16_abs_abs(<8 x i16> %a) { ; CHECK-LABEL: combine_v8i16_abs_abs: ; CHECK: # BB#0: ; CHECK-NEXT: vpabsw %xmm0, %xmm0 -; CHECK-NEXT: vpabsw %xmm0, %xmm0 ; CHECK-NEXT: retq %a1 = call <8 x i16> @llvm.x86.ssse3.pabs.w.128(<8 x i16> %a) %n2 = sub <8 x i16> zeroinitializer, %a1 @@ -40,7 +37,6 @@ define <32 x i8> @combine_v32i8_abs_abs(<32 x i8> %a) { ; CHECK-LABEL: combine_v32i8_abs_abs: ; CHECK: # BB#0: ; CHECK-NEXT: vpabsb %ymm0, %ymm0 -; CHECK-NEXT: vpabsb %ymm0, %ymm0 ; CHECK-NEXT: retq %n1 = sub <32 x i8> zeroinitializer, %a %b1 = icmp slt <32 x i8> %a, zeroinitializer |
